Finding the Fourth Proportional to 10,714.05, 16,065.31 and 3,315.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,714.05 : 16,065.31 = 3,315.33 : x
2. Step 2: Convert to fraction form
   10,714.05/16,065.31 = 3,315.33/x
3. Step 3: Cross multiply
   10,714.05x = 16,065.31 × 3,315.33
4. Step 4: Simplify right side
   10,714.05x = 53,261,804.20
5. Step 5: Solve for x
   x = 53,261,804.20/10,714.05
6. Step 6: Final answer
   x = 4,971.21